Finding the Fourth Proportional to 11,685.96, 17,529.12 and 3,366.72

Step by Step Solution

1. Step 1: Write the proportion equation
   11,685.96 : 17,529.12 = 3,366.72 : x
2. Step 2: Convert to fraction form
   11,685.96/17,529.12 = 3,366.72/x
3. Step 3: Cross multiply
   11,685.96x = 17,529.12 × 3,366.72
4. Step 4: Simplify right side
   11,685.96x = 59,015,638.89
5. Step 5: Solve for x
   x = 59,015,638.89/11,685.96
6. Step 6: Final answer
   x = 5,050.13